/**

  * Copyright 2010 The Kuali Foundation Licensed under the

  * Educational Community License, Version 2.0 (the "License"); you may

  * not use this file except in compliance with the License. You may

  * obtain a copy of the License at

  *

  * http://www.osedu.org/licenses/ECL-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an "AS IS"

  * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express

  * or implied. See the License for the specific language governing

  * permissions and limitations under the License.

  *

  * Date: 14-Jul-2010

  * Time: 10:52:16 AM

  */

 package org.kuali.student.common.ui.client.configurable.mvc.multiplicity;

 import org.kuali.student.common.ui.client.configurable.mvc.multiplicity.MultiplicityConfiguration.StyleType;

 import org.kuali.student.common.ui.client.configurable.mvc.sections.BaseSection;

 import org.kuali.student.common.ui.client.mvc.Callback;

 import org.kuali.student.common.ui.client.widgets.field.layout.layouts.BorderedHeadedLayout;

 import org.kuali.student.common.ui.client.widgets.field.layout.layouts.HeadedLayout;

 import org.kuali.student.common.ui.client.widgets.field.layout.layouts.UnborderedHeadedLayout;

 import com.google.gwt.event.dom.client.ClickEvent;

 import com.google.gwt.event.dom.client.ClickHandler;

 import com.google.gwt.user.client.ui.Widget;

 public class MultiplicityGroupItem extends BaseSection {

     private boolean updateable=false;

     private Integer itemKey;      

     private Widget itemWidget;

     private Callback<MultiplicityGroupItem> removeCallback;

     private boolean created = true;

     private boolean deleted = false;

         private boolean loaded = false;

     private MultiplicityConfiguration.StyleType style;

         String itemLabel;

     /**

      *  Represents a single item within a MultiplicityGroup

      *

      * //TODO Should this be an inner class in MultiplicityGroup?

      *  

      * @param itemLabel

      * @param style

      * @param updateable

      */

     public MultiplicityGroupItem(String itemLabel, StyleType style, boolean updateable){

                 this.itemLabel = itemLabel;

                 this.style = style;

                 this.updateable = updateable;

         }

     private void buildLayout() {

         switch (style) {

             case TOP_LEVEL_GROUP:

             case BORDERED_TABLE:

                 layout = new BorderedHeadedLayout(itemLabel, updateable);

                 break;

             case SUB_LEVEL_GROUP:

             case BORDERLESS_TABLE:

                 layout = new UnborderedHeadedLayout(itemLabel, updateable);

                 break;

         }

         ((HeadedLayout)layout).setUpdateable(updateable);

     }

         public void redraw() {

                 if (!loaded){

                         buildLayout(); 

                         if(updateable){

                         ((HeadedLayout)layout).addDeleteHandler(new ClickHandler() {

                         public void onClick(ClickEvent event) {

                             getRemoveCallback().exec(MultiplicityGroupItem.this);

                         }

                     });

                     }

                     layout.addWidget(this.getItemWidget());

                     this.add(layout);

                 }                

         }

         public Integer getItemKey() {

         return itemKey;

     }

     public void setItemKey(Integer itemKey) {

         this.itemKey = itemKey;

     }

     public Widget getItemWidget() {

         return itemWidget;

     }

     public void setItemWidget(Widget itemWidget) {

         this.itemWidget = itemWidget;

     }

     public void setRemoveCallback(Callback<MultiplicityGroupItem> callback){

         removeCallback = callback;

     }

     public Callback<MultiplicityGroupItem> getRemoveCallback(){

         return removeCallback;

     }

     public boolean isCreated() {

         return created;

     }

     public void setCreated(boolean created) {

         this.created = created;

     }

     public boolean isDeleted() {

         return deleted;

     }

     public void setDeleted(boolean isDeleted) {

         this.deleted = isDeleted;

         if(isDeleted)

             this.created = false;

     }

 }